It is hard to imagine a treatment that only lasts a few seconds, minutes if you count the set up time, causing after effects. Believe me when I tell you that it does. There are side effects of any medical treatments, of course. With radiotherapy these can be quite frightening. There is some concern that after treating the brain (particularly if combined with chemotherapy) the patient may develop memory problems.

Radiation therapy works by damaging the DNA (genes) of tumour cells. DNA damage stops tumour cells from dividing, growing and spreading. Radiotherapy is a useful tool for treating cancer because cancer cells grow and divide more rapidly than most normal cells around them. Although some normal cells are affected by radiation, most normal cells appear to recover more fully from the effects of radiation than do cancer cells. Radiation oncologists carefully limit the intensity of treatments and the area being treated so that the cancer will be affected more than the normal tissues. This is why the set up for the treatment often lasts longer than the treatment itself.

Modern radiotherapy has advanced dramatically over the recent years. It is now possible to focus radiotherapy with extreme precision. This allows the radiation dose to be targeted to the areas of tumour while sparing most adjacent normal tissues even in seemingly complicated and difficult parts of the body.

Radiotherapy affects different people to greater or lesser extents. My friend Ismay, who is a real inspiration to me, is facing terminal cancer with and bravery that is awe-inspiring. She found the radiotherapy to her head (to shrink a brain tumour) really difficult. She was left with burns to her scalp. Her hair that had grown back after chemotherapy, was lost again and the burns to her head made it impossible to wear her wig for weeks. The pain and distress were hard to bear: but bear it she did. along with some forgetfulness, with her relentless courage and humour.

My treatment was to my right breast. It was targeted to the area from which my tumour had been removed. I had been told the radiotherapy would make me feel tired. I had also been told the effect was cumulative. Unsurprisingly, me being me, when I felt no particular effects after the first dose or so, I felt I had beaten the system. I had been told the cumulative effects would also include burning to my skin. Again, initially, I deduced my skin was different to everybody else’s. It is not. However, the effects do not kick in immediately, but do last a long time after the treatment has finished.

I have found the after effects of the radiotherapy quite depressing. The burning under my breast was soothed by aqueous cream but the skin burnt and peeled the way it might with sunburn. I am now six moths out after radiotherapy has finished. The burns are healed but my breast still looks tanned compared to the other and I still find I get tired far faster than I expected this far on. I still cannot walk as far as I used to. One of my favourite hobbies is dancing, but I cannot dance for as long or as energetically as I did before my treatment.

I continue to find it difficult to concentrate for prolonged periods and the exhaustion is debilitating. I was becoming increasingly upset about this and was speaking to my friend Margaret. Margaret survived breast cancer and got her all clear about eighteen months ago. She has been immensely supportive during my cancer journey. The wonderful Margaret told me that, even yet, she gets bone tired sometimes. It is not like the tiredness you feel after a busy day or a late night. It is a wave of weariness that is all encompassing. The big problem is it can arrive, unannounced, at any time. So I have no confidence that, if I start a long or complicated task, I will have the energy to finish it. This is what I find most exasperating.

However, the side effect that I had feared most was depression. When the radiotherapy comes to an end, you come off the treatment merry-go-round. All the attention stops and this can cause the depression the doctors and nurses warned me about. I suppose when you have been using all your energies to defeat this disease, when it comes to an end so suddenly, it can result in an emotional vacuum. I have mental health problems anyway and I really feared this problem. I was lucky, it did not happen to me. Other friends were not so lucky. They did feel the sudden stop of treatment and attention left a void that led to depression.

Now I am at the stage where I get check up appointments with the consultant approximately every three months. Before I see the consultant I go to the hospital for an echo scan. It is also called an echo-cardiogram is an ultrasound scan of the heart. It is sometimes just called an ‘ECHO’. Ultrasound is a very high-frequency sound that you cannot hear, but it can be emitted and detected by special machines. The scan can give accurate pictures of the heart muscle, the heart chambers, and structures within the heart such as the valves. An ECHO can be carried out for many different reasons. I have it done to check how well your heart is working after the radiotherapy and to look at how well the valves are moving inside the heart. An ECHO can also help to see any fluid that may have collected around the heart. So far my heart is holding up well.

I need to undress to the waist and lie on the couch. A probe is placed on my chest (it is a bit like a very thick blunt pen). Also, lubricating jelly is put on the probe so it makes good contact with the skin. The probe is connected by a wire to the ultrasound machine and monitor. Pulses of ultrasound are sent from the probe through the skin towards your heart. The ultrasound waves then echo (‘bounce back’) from the heart and various structures in the heart. They make a sort of swooshing noise.

The consultant also arranges for my blood to be checked to make sure my calcium and haemoglobin levels are high enough. So far, so good. This is especially important because for the next five years I require to take a medication known as letrozole. Amongst the more common side effects of letrozole are hot flushes, hair loss, joint and bonepain, muscle pain, tiredness, unusual sweating, nausea, diarrhea, dizziness, and trouble sleeping. I have certainly suffered the tiredness as well as the joint, bone and muscle pain. I was told by other patients it should lessen after 8-10 months. The doctors have not confirmed this!

So I have complained about my difficulties and honestly reported my progress. I am aware that I am very lucky. The disease was diagnosed early after a mammogram. The necessary surgery was carried out quickly. I am to get another mammogram later this month to confirm that I continue to survive breast cancer now.